JP2753353B2 - Analogs of sialosyl cholesterol and method for producing the same - Google Patents

Analogs of sialosyl cholesterol and method for producing the same

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Publication number
JP2753353B2
JP2753353B2 JP1302397A JP30239789A JP2753353B2 JP 2753353 B2 JP2753353 B2 JP 2753353B2 JP 1302397 A JP1302397 A JP 1302397A JP 30239789 A JP30239789 A JP 30239789A JP 2753353 B2 JP2753353 B2 JP 2753353B2
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Japan
Prior art keywords
compound
group
cholesterol
acetyl group
acetyl
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JP1302397A
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JPH03161496A (en
Inventor
治夫 小倉
和夫 鈴木
公夫 古畑
田中  誠
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Mekuto KK
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Mekuto KK
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Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、シアロシルコレステロールの新規なアナロ
グ体及びその製造方法に関する。本発明のアナログ体
は、従来のシアロシルコレステロールに比べて、毒性を
軽減でき、かつ生体親和性及び効果を増強できることを
期待される化合物である。
Description: TECHNICAL FIELD The present invention relates to a novel analog of sialosyl cholesterol and a method for producing the same. The analog of the present invention is a compound expected to reduce toxicity and enhance biocompatibility and effect as compared with conventional sialosyl cholesterol.

〔従来の技術〕[Conventional technology]

シアロシルコレステロールはコレステロール基を有す
るシアル酸誘導体として公知の化合物である〔例えば、
特開昭61−243096号、同63−63697号参照〕。
Sialosyl cholesterol is a compound known as a sialic acid derivative having a cholesterol group (for example,
See JP-A-61-243096 and 63-63697].

そして、シアロシルコレステロールは、神経障害疾患
治療剤及び脱髄性疾患治療剤等として有効である〔例え
ば特開昭62−265229号〕。
Sialosyl cholesterol is effective as a therapeutic agent for a neuropathy disease, a therapeutic agent for a demyelinating disease and the like (for example, JP-A-62-265229).

ところが、シアロシルコレステロールを上記のごとき
治療剤としての使用について検討すると、毒性、生体親
和性及び効果の点で、必ずしも満足いくものではなかっ
た。
However, when the use of sialosyl cholesterol as a therapeutic agent as described above was examined, it was not always satisfactory in terms of toxicity, biocompatibility and effect.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

そこで本発明の目的は、シアロシルコレステロールの
有する優れた特性はそのまま保持し、かつ毒性が軽減さ
れ、生体親和性及び効果の点でさらに優れたシアロシル
コレステロールのアナログ体を提供することにある。
Therefore, an object of the present invention is to provide an analog of sialosyl cholesterol which retains the excellent properties of sialosyl cholesterol as it is, has reduced toxicity, and is more excellent in terms of biocompatibility and effects.

さらに本発明の目的は、上記のごときシアロシルコレ
ステロールのアナログ体の製造方法を提供することにあ
る。
It is a further object of the present invention to provide a method for producing an analog of sialosyl cholesterol as described above.

〔課題を解決すべき手段〕[Means to solve the problem]

本発明は、下記一般式〔1〕及び〔2〕で表わされる
化合物に関する。
The present invention relates to compounds represented by the following general formulas [1] and [2].

(式中、R1は水素、アセチル基又はトリチル基を示
し、 R2は水素、アセチル基又は (式中、R5は水素又はアセチル基を示すか、2つのR5
が共同で を形成する)を示し、R3及びR4はそれぞれ独立に水素又
はアセチル基を示し、Cholはコレステロール基を示す) さらに本発明は、下記一般式〔3〕及び〔4〕で表わ
される化合物に関する。
(Wherein, R 1 represents hydrogen, an acetyl group or a trityl group, and R 2 represents hydrogen, an acetyl group or Wherein R 5 represents hydrogen or an acetyl group, or two R 5
Are jointly R 3 and R 4 each independently represent hydrogen or an acetyl group, and Chol represents a cholesterol group.) Further, the present invention relates to compounds represented by the following general formulas [3] and [4]. .

(式中、R7は水素又はメチル基を示し、R8は水素又はア
セチル基を示し、Acはアセチル基を示し、R10はChol又
(式中R11は水素又はアセチル基を示し、Cholはコレス
テロール基を示す)を示す。) 本発明の別の態様は、式(VIII)で表わされる化合物 (式中、Acはアセチル基を示し、Cholはコレステロール
基を示す)と 式(IX)で表わされるシアル酸誘導体 (式中、Acはアセチル基を示し、Meはメチル基を示す)
とを反応させることを含む、式(X)及び(XI)で表わ
される化合物の製造方法に関する。
(Wherein, R 7 represents hydrogen or a methyl group, R 8 represents hydrogen or an acetyl group, Ac represents an acetyl group, R 10 represents Chol or Wherein R 11 represents hydrogen or an acetyl group, and Chol represents a cholesterol group. Another embodiment of the present invention relates to a compound represented by formula (VIII): (Where Ac represents an acetyl group and Chol represents a cholesterol group) and a sialic acid derivative represented by the formula (IX). (In the formula, Ac represents an acetyl group and Me represents a methyl group.)
And a method for producing the compounds represented by formulas (X) and (XI).

(式(X)及び(XI)中、Acはアセチル基を示し、Meは
メチル基を示し、Cholはコレステロール基を示す) さらに、式(XIX)で表わされる化合物 (式中、Acはアセチル基を示し、Cholはコレステロール
基を示す)と式(IX)で表わされるシアル酸誘導体 (式中、Acはアセチル基を示し、Meはメチル基を示す)
又は、式(XXI)で表わされるシアル酸誘導体 (式中、Acはアセチル基を示し、Meはメチル基を示す)
とを反応させることを含む、式(XXII)及び(XXIII)
で表わされる化合物の製造方法に関する。
(In the formulas (X) and (XI), Ac represents an acetyl group, Me represents a methyl group, and Chol represents a cholesterol group.) Further, a compound represented by the formula (XIX) (Where Ac represents an acetyl group and Chol represents a cholesterol group) and a sialic acid derivative represented by the formula (IX). (In the formula, Ac represents an acetyl group and Me represents a methyl group.)
Or a sialic acid derivative represented by the formula (XXI) (In the formula, Ac represents an acetyl group and Me represents a methyl group.)
(XXII) and (XXIII), including reacting
And a method for producing the compound represented by the formula:

(式(XXII)及び(XXIII)中、Acはアセチル基を示
し、Meはメチル基を示し、Cholはコレステロール基を示
す) 以下本発明についてスキーム1〔化合物(III)、(I
V)、(V)、(VI)、(VII)及び(VIII)〕、スキー
ム2〔化合物(X)、(XI)、(XII)、(XIII)、(X
IV)及び(XV)〕並びにスキーム3〔化合物(XVII)、
(XVIII)、(XIX)、(XX)、(XXII)及び(XXII
I)〕に基づいて説明する。
(In the formulas (XXII) and (XXIII), Ac represents an acetyl group, Me represents a methyl group, and Chol represents a cholesterol group.) In the present invention, Scheme 1 [Compound (III), (I
V), (V), (VI), (VII) and (VIII)], Scheme 2 [Compounds (X), (XI), (XII), (XIII), (X
IV) and (XV)] and Scheme 3 [compound (XVII),
(XVIII), (XIX), (XX), (XXII) and (XXII)
I)].

尚、本明細書中Acはアセチル基を示し、Meはメチル基
を示し、Cholは下記コレステロール基を示す。
In the present specification, Ac represents an acetyl group, Me represents a methyl group, and Chol represents the following cholesterol group.

化合物(III)及び(IV)は、化合物(I)及びコレ
ステロール(II)を反応させることにより得られる。化
合物(I)は、C.S.ハドソン(Hudson)らの方法〔J.A.
C.S.,Vol 47,p2052〕に従って合成することができる。
ブロモ体である化合物(I)の代りに他のハロゲン置換
体(例えば、フッ素置換体)を使用することもできる。
化合物(I)と(II)の反応は、AgOTf/SnCl2、BF2・Et
2O/Et3N等の触媒の存在下、0℃〜室温で20分〜24時間
攪拌することにより行なうことが好適である。尚、コレ
ステロール(II)は化合物(I)に対して約1〜3当量
倍用いることが良好な収率を得るという観点から好まし
い。
Compounds (III) and (IV) can be obtained by reacting compound (I) with cholesterol (II). Compound (I) was prepared according to the method of CS Hudson et al. [JA
CS, Vol 47, p2052].
Instead of the bromo compound (I), another halogen-substituted product (for example, a fluorine-substituted product) may be used.
The reaction between compounds (I) and (II) is performed by using AgOTf / SnCl 2 , BF 2
It is preferable to carry out the reaction by stirring at 0 ° C. to room temperature for 20 minutes to 24 hours in the presence of a catalyst such as 2 O / Et 3 N. Cholesterol (II) is preferably used in an amount of about 1 to 3 equivalents relative to compound (I) from the viewpoint of obtaining a good yield.

化合物(IV)は、常法により脱アセチル化することに
より化合物(V)とすることができる。脱アセチル化剤
としてはMeONa、NaOH等を例示できる。
Compound (IV) can be converted to compound (V) by deacetylation according to a conventional method. Examples of the deacetylating agent include MeONa and NaOH.

化合物(V)は、ベンズアルデヒドと塩化亜鉛(II)
の存在下で反応させることにより化合物(VI)を得るこ
とができる。この反応は室温付近で1〜10時間攪拌する
ことにより行なうことができる。
Compound (V) is composed of benzaldehyde and zinc (II) chloride.
Compound (VI) can be obtained by reacting in the presence of This reaction can be carried out by stirring at about room temperature for 1 to 10 hours.

化合物(VI)はピリジンの存在下無水酢酸等でアセチ
ル化することにより化合物(VII)を得ることができ
る。この反応は室温付近で1〜10時間攪拌することによ
り得ることができる。
Compound (VI) can be acetylated with acetic anhydride or the like in the presence of pyridine to give compound (VII). This reaction can be obtained by stirring at about room temperature for 1 to 10 hours.

化合物(VII)は、脱ベンジル化を行なうことにより
化合物(VIII)を得ることができる。この反応は、例え
ば酢酸水溶液中で1〜10時間還流することにより実施で
きる。
Compound (VII) can be debenzylated to give compound (VIII). This reaction can be carried out, for example, by refluxing in an aqueous acetic acid solution for 1 to 10 hours.

尚、化合物(V)→(VI)→(VII)→(VIII)の各
工程は、メソド・イン・カーボハイドレート・ケミスト
リー(Methods in Carbohydrate Chemistry)Vol I、II
を参照して行なうことができる。
The steps of compound (V) → (VI) → (VII) → (VIII) are performed in Methods in Carbohydrate Chemistry Vol I, II.
Can be performed with reference to FIG.

化合物(VIII)はN−アセチルノイラミン酸アセテー
トメチルエステル(IX)と反応させることにより化合物
(X)及び(XI)を得ることができる。この反応は、Ag
OTf/SnCl2、AgOTf/NaHPO3等の触媒の存在下、約17〜25
℃の温度で5〜12日間攪拌することにより行なうことが
できる。N−アセチルノイラミン酸誘導体(IX)は、ク
ーンの方法〔Kuhn R.ら(1966)Chem.Ber.、99、611−1
7〕により合成することができる。又、誘導体(IX)は
クロロ置換体であるが、クロロ置換体以外にフルオロ置
換体等のハロゲン置換体も用いることができる。N−ア
セチルノイラミン酸誘導体(IX)の使用量は、化合物
(VIII)に対して1〜2当量倍とすることが適当であ
る。
Compound (VIII) can be reacted with N-acetylneuraminic acid acetate methyl ester (IX) to give compounds (X) and (XI). The reaction is Ag
OTf / SnCl 2, the presence of AgOTf / NaHPO 3 like the catalyst, about 17 to 25
It can be carried out by stirring at a temperature of 5 ° C. for 5 to 12 days. The N-acetylneuraminic acid derivative (IX) was prepared according to the method of Kuhn [Kuhn R. et al. (1966) Chem. Ber., 99, 611-1.
7]. The derivative (IX) is a chloro-substituted product, but a halogen-substituted product such as a fluoro-substituted product may be used in addition to the chloro-substituted product. It is appropriate that the amount of the N-acetylneuraminic acid derivative (IX) to be used is 1-2 equivalent times that of the compound (VIII).

化合物(X)及び(XI)は、それぞれ常法(例えばMe
ONaを用いる方法)により脱アセチル化することにより
化合物(XII)及び(XIII)を得ることができる。化合
物(XII)及び(XIII)は、それぞれ常法(例えばNaOH
を用いる方法)によりケン化して化合物(XIV)及び(X
V)を得ることができる。
Compounds (X) and (XI) can be prepared by a conventional method (for example, Me
(Method using ONa) to obtain compounds (XII) and (XIII). Compounds (XII) and (XIII) can be prepared by a conventional method (for example, NaOH
Compound (XIV) and (X
V) can be obtained.

化合物(XVII)は、化合物(XVI)及びコレステロー
ル(II)を反応させることにより得られる。化合物(XV
I)は、T.向山らの方法〔Chem.Letter,p431(1981
年)〕に従って合成することができる。フッ素置換体で
ある化合物(XVI)の代りに他のハロゲン置換体(例え
ば、ブロモ置換体)を使用することもできる。化合物
(XVI)と(II)の反応は、AgOTf/SnCl2、BF2・Et2O/E
t3N、AgOTf/Na2HPO3等の触媒の存在下、ジクロロメタ
ン、クロロホルム、エーテル等の溶媒中、0℃〜30℃で
20分〜2時間攪拌することにより行なうことが好適であ
る。尚、コレステロール(II)は化合物(XVI)に対し
て約1〜3当量倍用いることが良好な収率を得るという
観点から好ましい。
Compound (XVII) can be obtained by reacting compound (XVI) with cholesterol (II). Compound (XV
I) is based on the method of T. Mukaiyama et al. [Chem. Letter, p431 (1981)
Year)]. Instead of the compound (XVI) which is a fluorine-substituted compound, another halogen-substituted product (for example, a bromo-substituted product) may be used. The reaction between compound (XVI) and (II) is performed by using AgOTf / SnCl 2 , BF 2 .Et 2 O / E
t 3 N, in the presence of a catalyst such as AgOTf / Na 2 HPO 3 in a solvent such as dichloromethane, chloroform, ether at 0 ° C. to 30 ° C.
It is preferable to carry out by stirring for 20 minutes to 2 hours. Cholesterol (II) is preferably used in an amount of about 1 to 3 equivalents relative to compound (XVI) from the viewpoint of obtaining a good yield.

化合物(XVII)は、常法(脱アセチル化剤:MeONa、Na
OH等:0〜30℃)により脱アセチル化し、次いでピリジン
中でトリチルクロライドと反応させて化合物(XVIIa)
を得る〔実施例12参照〕。
Compound (XVII) can be prepared by a conventional method (deacetylating agent: MeONa, Na
OH, etc .: 0-30 ° C.) and then reacting with trityl chloride in pyridine to give compound (XVIIa)
(See Example 12).

化合物(XVIIa)はピリジンの存在下無水酢酸等でア
セチル化することにより化合物(XVIII)を得ることが
できる。この反応は室温付近で1〜3日間攪拌すること
により得ることができる。
Compound (XVIIa) can be acetylated with acetic anhydride or the like in the presence of pyridine to give compound (XVIII). This reaction can be obtained by stirring at about room temperature for 1 to 3 days.

化合物(XVIII)は、脱トリチル化を行なうことによ
り化合物(XIX)を得ることができる。この際副生物と
して化合物(XX)が得られる。この反応は、例えば酢酸
水溶液中で5分〜2時間加熱することにより実施でき
る。
Compound (XIX) can be obtained by subjecting compound (XVIII) to detritylation. At this time, compound (XX) is obtained as a by-product. This reaction can be carried out, for example, by heating in an aqueous acetic acid solution for 5 minutes to 2 hours.

化合物(XIX)はN−アセチルノイラミン酸アセテー
トメチルエステル(IX)又は(XXI)と反応させること
により化合物(XXII)及び(XXIII)を得ることができ
る。この反応は、AgOTf/SnCl2、AgOTf/NaHPO3等の触媒
の存在下、室温で1〜24時間攪拌することにより行なう
ことができる。この反応の際に化合物(XXIV)が副生す
る。N−アセチルノイラミン酸誘導体(IX)及び(XX
I)は、クーンの方法〔Kuhn R.ら(1966)Chem.Ber.9
9、611−17〕により合成することができる。N−アセチ
ルノイラミン酸誘導体(IX)又は(XXI)の使用量は、
化合物(XIX)に対して1〜2当量倍とすることが適当
である。
Compound (XIX) can be reacted with N-acetylneuraminic acid acetate methyl ester (IX) or (XXI) to give compounds (XXII) and (XXIII). This reaction can be carried out by stirring at room temperature for 1 to 24 hours in the presence of a catalyst such as AgOTf / SnCl 2 or AgOTf / NaHPO 3 . Compound (XXIV) is by-produced during this reaction. N-acetylneuraminic acid derivatives (IX) and (XX)
I) is based on the Kuhn method [Kuhn R. et al. (1966) Chem. Ber. 9
9, 611-17]. The amount of the N-acetylneuraminic acid derivative (IX) or (XXI) used is
It is appropriate that the amount be 1 to 2 equivalents relative to the compound (XIX).

化合物(XII)及び(XIII)は、それぞれ常法(例え
ばMeONaを用いる方法)により脱アセチル化し、常法
(例えばNaOHを用いる方法)によりケン化することによ
り化合物(XXV)及び(XXVI)を得ることができる。
Compounds (XII) and (XIII) are deacetylated by a conventional method (eg, a method using MeONa) and saponified by a conventional method (eg, a method using NaOH) to obtain compounds (XXV) and (XXVI). be able to.

〔有用性〕 本発明の化合物(ラクトシルコレステロール)(II
I)、(IV)、(V)、(VI)、(VII)及び(VIII)は
新規化合物であり、シアロシルラクトシルコレステロー
ル(X)、(XI)、(XII)、(XIII)、(XIV)及び
(XV)の合成中間体として有用である。さらに化合物
(XVII)、(XVIII)、(XIX)は新規化合物であり、シ
アロシルコレステロールのアナログ体である新規化合物
(XXII)、(XXIII)、(XXV)及び(XXVI)の合成中間
体として有用である。
[Utility] The compound of the present invention (lactosyl cholesterol) (II
(I), (IV), (V), (VI), (VII) and (VIII) are new compounds, and sialosyllactosylcholesterol (X), (XI), (XII), (XIII), (XIII) It is useful as a synthetic intermediate of (XIV) and (XV). Further, compounds (XVII), (XVIII) and (XIX) are novel compounds, and are useful as intermediates for synthesizing novel compounds (XXII), (XXIII), (XXV) and (XXVI), which are analogs of sialosyl cholesterol It is.

又、本発明の新規なシアロシルラクトシルコレステロ
ール等(シアロシルコレステロールのアナログ体)は、
シアロシルコレステロールより毒性が低く、生体親和性
及び効果(例えば神経障害疾患治療効果、脱髄性疾患治
療効果)の点で優れた化合物であることが期待される。
The novel sialosyl lactosyl cholesterol or the like (an analog of sialosyl cholesterol) of the present invention is
It is expected that the compound is less toxic than sialosyl cholesterol and is superior in terms of biocompatibility and effects (for example, therapeutic effects on neuropathic diseases and demyelinating diseases).

〔実施例〕〔Example〕

以下本発明を実施例によりさらに説明する。 Hereinafter, the present invention will be further described with reference to Examples.

実施例1 2,3,4,6−テトラ−O−アセチル−β−D−ガラクト
ピラノシル−(1→4)−3,6−ジ−O−アセチル−1
−(5−コレステン−3β−イルオキシ)−α−D−グ
ルコピラノース(III)及び2,3,4,6−テトラ−O−アセ
チル−β−D−ガラクトピラノシル−(1→4)−2,3,
6−トリ−O−アセチル−1−(5−コレステン−3β
−イルオキシ)−β−D−グルコピラノース(IV)の製
造方法。
Example 1 2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl- (1 → 4) -3,6-di-O-acetyl-1
-(5-cholesten-3β-yloxy) -α-D-glucopyranose (III) and 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl- (1 → 4)- 2,3,
6-tri-O-acetyl-1- (5-cholesten-3β
-Yloxy) -β-D-glucopyranose (IV).

アルゴンガス下、AgOTf5.09g(0.0198mol)とSnCl23.
76g(0.0198mol)に無水ジクロロメタン50mlを加え、銀
塩が溶解後、モレキュラーシーブ(MS)4A 6.5g、コレ
ステロール(II)6.36g(0.0165mol)を加え、遮光下、
冷却し、5分間攪拌した。これに化合物(I)11.55g
(0.0165mol)を加え、25分間攪拌後、濾過し、飽和NaH
CO3水溶液、飽和NaCl水溶液で洗浄し、無水Na2SO4で乾
燥し、溶媒を留去した。残査をシリカゲルカラムクロマ
トグラフィー(酢酸エチル/ヘキサン=2:3)で分離精
製し、化合物(III)及び(IV)をそれぞれ酢酸エチル
/ヘキサンから再結晶して、それぞれ無色針状晶を得た
(収率:化合物(III)23%、化合物(IV)15%)。
Under argon gas, 5.09 g (0.0198 mol) of AgOTf and SnCl 2 3.
After adding 50 ml of anhydrous dichloromethane to 76 g (0.0198 mol) and dissolving the silver salt, 6.5 g of molecular sieve (MS) 4A and 6.36 g (0.0165 mol) of cholesterol (II) were added.
Cooled and stirred for 5 minutes. The compound (I) 11.55g
(0.0165 mol), stirred for 25 minutes, filtered, and saturated NaH
The extract was washed with an aqueous solution of CO 3 and a saturated aqueous solution of NaCl, dried over anhydrous Na 2 SO 4 , and evaporated. The residue was separated and purified by silica gel column chromatography (ethyl acetate / hexane = 2: 3), and the compounds (III) and (IV) were recrystallized from ethyl acetate / hexane, respectively, to obtain colorless needles. (Yield: compound (III) 23%, compound (IV) 15%).

<化合物(III)の物性値> 融点:182〜183℃(dec)。<Physical properties of compound (III)> Melting point: 182 to 183 ° C (dec).

FAB−MS(m/z):985(M++Na)。1 H−NMR(CDCl3)δ:(グルコース成分)4.97(1H,d,J
=4.5Hz,H−1),3.50(1H,ddd,J=12,10,4,5Hz,H−
2),5.21(1H,dd,J=10,10Hz,H−3),3.63(1H,dd,J
=10,10Hz,H−4),3.99(1H,ddd,J=10,5,2Hz,H−
5),4.40(1H,dd,J=12,2Hz,H−6),4.11(1H,dd,J=
12,5Hz,H−6′),(ガラクトース成分)4.49(1H,d,J
=8Hz,H−1′),5.12(1H,dd,J=10,8Hz,H−2),4.95
(1H,dd,J=10,4Hz,H−3),5.34(1H,dd,J=3,1Hz,H−
4),3.86(1H,ddd,J=7.5,6,1Hz,H−5),4.17(1H,d
d,J=10,6Hz,H−6),4.06(1H,dd,J=10,7.5Hz,H−
6′),(コレステロール成分)3.44(1H,m,H−3),
5.34(1H,br,H−6),0.65(3H,s,Me−18),1.00(3H,
s,Me−19),0.90(3H,d,J=6.5Hz,Me−21),0.86,0.84
(3H,×2,d,J=1.5Hz,Me−26,27)。
FAB-MS (m / z) : 985 (M + + Na). 1 H-NMR (CDCl 3 ) δ: (glucose component) 4.97 (1H, d, J
= 4.5Hz, H-1), 3.50 (1H, ddd, J = 12,10,4,5Hz, H-
2), 5.21 (1H, dd, J = 10,10Hz, H-3), 3.63 (1H, dd, J
= 10,10Hz, H-4), 3.99 (1H, ddd, J = 10,5,2Hz, H-
5), 4.40 (1H, dd, J = 12,2Hz, H-6), 4.11 (1H, dd, J =
12,5Hz, H-6 '), (galactose component) 4.49 (1H, d, J
= 8Hz, H-1 '), 5.12 (1H, dd, J = 10,8Hz, H-2), 4.95
(1H, dd, J = 10,4Hz, H-3), 5.34 (1H, dd, J = 3,1Hz, H-
4), 3.86 (1H, ddd, J = 7.5, 6, 1 Hz, H-5), 4.17 (1H, d
d, J = 10, 6 Hz, H-6), 4.06 (1H, dd, J = 10, 7.5 Hz, H-
6 '), (cholesterol component) 3.44 (1H, m, H-3),
5.34 (1H, br, H-6), 0.65 (3H, s, Me-18), 1.00 (3H,
s, Me-19), 0.90 (3H, d, J = 6.5Hz, Me-21), 0.86,0.84
(3H, x2, d, J = 1.5 Hz, Me-26, 27).

<化合物(IV)の物性値> 融点:160〜188℃(dec)。<Physical properties of compound (IV)> Melting point: 160-188 ° C (dec).

FAB−MS(m/z):1027(M++Na)。1 H−NMR(CDCl3)δ:(グルコース成分)4.54(1H,d,J
=7Hz,H−1),4.86(1H,dd,J=9.7Hz,H−2),5.18(1
H,dd,J=9,9Hz,H−3),3.77(1H,dd,J=9,9Hz,H−
4),3.58(1H,ddd,J=9,5,2Hz,H−5),4.44(1H,dd,J
=11,2Hz,H−6),4.09(1H,dd,J=11,5Hz,H−6′),
(ガラクトース成分)4.47(1H,d,J=8Hz,H−1),5.10
(1H,dd,J=10,8Hz,H−2),4.94(1H,dd,J=10,3Hz,H
−3),5.34(1H,dd,J=3,1.5Hz,H−4),3.86(1H,dd
d,J=7,7,1.5Hz,H−5),4.13(1H,dd,J=11,7Hz,H−
6),4.07(1H,dd,J=11,7Hz,H−6′),(コレステロ
ール成分)3.44(1H,m,H−3),5.34(1H,br,H−6),
0.66(3H,s,Me−18),0.97(3H,s,Me−19),0.90(3H,
d,J=6Hz,Me−21),0.86,0.84(3H,×2,d,J=2Hz,Me−2
6,27)。
FAB-MS (m / z) : 1027 (M + + Na). 1 H-NMR (CDCl 3 ) δ: (glucose component) 4.54 (1H, d, J
= 7Hz, H-1), 4.86 (1H, dd, J = 9.7Hz, H-2), 5.18 (1
H, dd, J = 9.9 Hz, H-3), 3.77 (1H, dd, J = 9.9 Hz, H-
4), 3.58 (1H, ddd, J = 9,5,2Hz, H-5), 4.44 (1H, dd, J
= 11.2Hz, H-6), 4.09 (1H, dd, J = 11.5Hz, H-6 '),
(Galactose component) 4.47 (1H, d, J = 8Hz, H-1), 5.10
(1H, dd, J = 10,8Hz, H-2), 4.94 (1H, dd, J = 1,3Hz, H
-3), 5.34 (1H, dd, J = 3,1.5Hz, H-4), 3.86 (1H, dd
d, J = 7, 7, 1.5 Hz, H-5), 4.13 (1H, dd, J = 11, 7 Hz, H-
6), 4.07 (1H, dd, J = 11.7 Hz, H-6 '), (cholesterol component) 3.44 (1H, m, H-3), 5.34 (1H, br, H-6),
0.66 (3H, s, Me-18), 0.97 (3H, s, Me-19), 0.90 (3H,
d, J = 6Hz, Me-21), 0.86,0.84 (3H, × 2, d, J = 2Hz, Me-2
6,27).

実施例2 O−β−D−ガラクトピラノシル−(1→4)−1−
(5−コレステン−3β−イルオキシ)−β−D−グル
コピラノース(V)の製造方法 実施例1で合成した化合物(IV)800mg(0.8mmol)を
無水メタノール300mlに溶解し、28%MeONa(メタノール
溶液)0.5mlを加え、室温で4時間攪拌した。析出した
結晶を濾取乾燥し、無色粉末476mg(化合物(V)、収
率84%)を得た。さらに濾液をDowex50W−X8(H+)樹脂
で中和して、濾過し濃縮することにより無色粉末52mg
(化合物(V)、収率9%)を得た。
Example 2 O-β-D-galactopyranosyl- (1 → 4) -1-
Method for producing (5-cholesten-3β-yloxy) -β-D-glucopyranose (V) 800 mg (0.8 mmol) of the compound (IV) synthesized in Example 1 was dissolved in 300 ml of anhydrous methanol, and 28% MeONa (methanol) was dissolved. Solution) was added and stirred at room temperature for 4 hours. The precipitated crystals were collected by filtration and dried to obtain 476 mg of a colorless powder (compound (V), yield: 84%). Further, the filtrate was neutralized with Dowex50W-X8 (H + ) resin, filtered and concentrated to give 52 mg of a colorless powder.
(Compound (V), yield 9%) was obtained.

<化合物(V)の物性値> 融点:265℃(dec) 元素分析(C39H66O11) 計算値;C,65.89;H,9.36 実測値;C,65.34;H,9.301 H−NMR(MeOD−d4)δ:(グルコース成分)4.41(1H,
d,J=7.5Hz,H−1),(ガラクトース成分)4.35(1H,
d,J=7.5Hz,ガラクトースH−1),(コレステロール
成分)3.39(1H,br,H−3),5.36(1H,br,H−6),0.71
(3H,s,Me−18),0.99(3H,s,Me−19),0.95(3H,d,J=
6.5Hz,Me−21),0.90,0.88(3H×2,d,J=1.5Hz,Me−26,
27)。
<Physical properties of compound (V)> Melting point: 265 ° C. (dec) Elemental analysis (C 39 H 66 O 11 ) Calculated value: C, 65.89; H, 9.36 Actual value; C, 65.34; H, 9.30 1 H-NMR (MeOD-d 4 ) δ: (glucose component) 4.41 (1H,
d, J = 7.5 Hz, H-1), (galactose component) 4.35 (1H,
d, J = 7.5 Hz, galactose H-1), (cholesterol component) 3.39 (1H, br, H-3), 5.36 (1H, br, H-6), 0.71
(3H, s, Me-18), 0.99 (3H, s, Me-19), 0.95 (3H, d, J =
6.5Hz, Me-21), 0.90,0.88 (3H × 2, d, J = 1.5Hz, Me-26,
27).

実施例3 4,6−O−ベンジリデン−β−D−ガラクトピラノシ
ル−(1→4)−1−(5−コレステン−3β−イルオ
キシ)−β−D−グルコピラノース(VI)の製造方法 実施例2で合成した化合物(V)400mg(0.56mmol)
とZnCl2384mg(2.8mmol)にベンズアルデヒド8mlを加
え、室温で4時間攪拌した。これを氷水に流し込み、水
相を除去後、酢酸エチルを加え懸濁した。これを濾取
後、乾燥し、無色粉末315mg(化合物(VI)、収率70
%)を得た。
Example 3 Method for producing 4,6-O-benzylidene-β-D-galactopyranosyl- (1 → 4) -1- (5-cholesten-3β-yloxy) -β-D-glucopyranose (VI) 400 mg (0.56 mmol) of compound (V) synthesized in Example 2
8 ml of benzaldehyde was added to 384 mg (2.8 mmol) of ZnCl 2 and stirred at room temperature for 4 hours. This was poured into ice water, and after removing the aqueous phase, ethyl acetate was added and suspended. This was collected by filtration and dried to give 315 mg of a colorless powder (compound (VI), yield: 70
%).

<化合物(VI)の物性値> 融点:210〜213℃(dec)。<Physical properties of compound (VI)> Melting point: 210-213 ° C (dec).

FAB−MS(m/z):822(M++Na+1)。FAB-MS (m / z) : 822 (M + + Na + 1).

実施例4 2,3−ジ−O−アセチル−4,6−O−ベンジリデン−β
−D−ガラクトピラノシル−(1→4)−2,3,6−トリ
−O−アセチル−1−(5−コレステン−3β−イルオ
キシ)−β−D−グルコピラノース(VII)の製造方法 実施例3で合成した化合物(VI)300mg(0.376mmol)
に無水酢酸1mlとピリジン1mlを加え、室温で3時間攪拌
した。これを氷水に流し込み、析出した結晶を濾取、乾
燥し、無色粉末349mg(化合物(VII)、収率92%)を得
た。
Example 4 2,3-Di-O-acetyl-4,6-O-benzylidene-β
Process for producing -D-galactopyranosyl- (1 → 4) -2,3,6-tri-O-acetyl-1- (5-cholesten-3β-yloxy) -β-D-glucopyranose (VII) 300 mg (0.376 mmol) of compound (VI) synthesized in Example 3
To the mixture were added 1 ml of acetic anhydride and 1 ml of pyridine, and the mixture was stirred at room temperature for 3 hours. This was poured into ice water, and the precipitated crystals were collected by filtration and dried to obtain 349 mg of a colorless powder (Compound (VII), yield: 92%).

<化合物(VII)の物性値> 融点:210〜220℃(dec)。<Physical properties of compound (VII)> Melting point: 210-220 ° C (dec).

FAB−MS(m/z):1047(M++Na)。FAB-MS (m / z) : 1047 (M + + Na).

実施例5 2,3−ジ−O−アセチル−β−D−ガラクトピラノシ
ル−(1→4)−2,3,6−トリ−O−アセチル−1−
(5−コレステン−3β−イルオキシ)−β−D−グル
コピラノース(VIII)の製造方法 実施例4で合成した化合物(VII)300mg(0.3mmol)
に80%酢酸水溶液15mlを加え、3時間還流した。これに
トルエンを加え、減圧下、溶媒留去後、残査にヘキサン
を加え無色粉末258mg(化合物(VIII)、収率94%)を
得た。
Example 5 2,3-Di-O-acetyl-β-D-galactopyranosyl- (1 → 4) -2,3,6-tri-O-acetyl-1-
Method for producing (5-cholesten-3β-yloxy) -β-D-glucopyranose (VIII) 300 mg (0.3 mmol) of compound (VII) synthesized in Example 4
To the mixture was added 15 ml of an 80% acetic acid aqueous solution, and the mixture was refluxed for 3 hours. Toluene was added thereto, and the solvent was distilled off under reduced pressure. Hexane was added to the residue to obtain 258 mg of a colorless powder (Compound (VIII), yield 94%).

<化合物(VIII)の物性値> 融点:170〜176℃(dec)。<Physical properties of compound (VIII)> Melting point: 170-176 ° C (dec).

FAB−MS(m/z):943(M++Na)。1 H−NMR(CDCl3)δ:(グルコース成分)4.55(1H,d,J
=8Hz,H−1),(ガラクトース成分)4.47(1H,d,J=8
Hz,H−1),3.80(1H,br,OH−4),3.46(1H,br,OH−
6),(コレステロール成分)3.43(1H,m,H−3),5.3
3(1H,br,H−6),0.65(3H,s,Me−18),0.96(3H,s,Me
−19),0.89(3H,d,J=6.5Hz,Me−21),0.85,0.84(3H
×2,J=2.0Hz,Me−26,27)。
FAB-MS (m / z) : 943 (M + + Na). 1 H-NMR (CDCl 3 ) δ: (glucose component) 4.55 (1H, d, J
= 8Hz, H-1), (galactose component) 4.47 (1H, d, J = 8
Hz, H-1), 3.80 (1H, br, OH-4), 3.46 (1H, br, OH-
6), (cholesterol component) 3.43 (1H, m, H-3), 5.3
3 (1H, br, H-6), 0.65 (3H, s, Me-18), 0.96 (3H, s, Me
−19), 0.89 (3H, d, J = 6.5Hz, Me−21), 0.85, 0.84 (3H
× 2, J = 2.0 Hz, Me-26, 27).

実施例6 O−〔メチル(5−アセトアミド−4,7,8,9−テトラ
−O−アセチル−3,5−ジデオキシ−D−グリセロ−α
−D−ガラクト−ノニュロピラノシル)オネート〕−
(2→6)−ジ−O−アセチル−β−D−ガラクトピラ
ノシル−(1→4)−2,3,6−トリ−O−アセチル−1
−(5−コレステン−3β−イルオキシ)−β−D−グ
ルコピラノース(X)及びO−〔メチル(5−アセトア
ミド−4,7,8,9−テトラ−O−アセチル−3,5−ジデオキ
シ−D−グリセロ−α−D−ガラクト−ノニュロピラノ
シル)オネート〕−(2→6)−ジ−O−アセチル−β
−D−ガラクトピラノシル−(1→4)−2,3,6−トリ
−O−アセチル−1−(5−コレステン−3β−イルオ
キシ)−β−D−グルコピラノース(XI)の製造方法 実施例5で合成した化合物(VIII)500mg(0.543mmo
l)と化合物(IX)540mg(1.08mmol)を無水ジクロロメ
タン20mlに溶解し、モレキュラーシーブ(MS)4A 1.25g
を加え、室温で10分間攪拌した。これにAgOTf280mg(1.
09mmol)とNaHPO3150mg(1.06mmol)を加え、遮光下、
室温で10日間攪拌した後、濾過し、濾液を飽和NaHCO3
溶液、飽和NaCl水溶液で洗浄して、無水Na2SO4で乾燥し
た。溶媒を留去して、シリカゲルクロマトグラフィー
(クロロホルム/メタノール=25:1)、続いて溶媒を
(酢酸エチル/ヘキサン=5:1)に変えて精製し、さら
にローバーカラムクロマトグラフィー(MERCK社製)
(クロロホルム/メタノール=50:1)で分離精製を行な
い、化合物(X)53mg(7%)及び化合物(XI)21mg
(3%)をそれそれ無水粉末として得た。
Example 6 O- [methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α
-D-galacto-nonulopyranosyl) onate]-
(2 → 6) -di-O-acetyl-β-D-galactopyranosyl- (1 → 4) -2,3,6-tri-O-acetyl-1
-(5-cholesten-3β-yloxy) -β-D-glucopyranose (X) and O- [methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy- D-glycero-α-D-galacto-nonulopyranosyl) onate]-(2 → 6) -di-O-acetyl-β
Method for producing -D-galactopyranosyl- (1 → 4) -2,3,6-tri-O-acetyl-1- (5-cholesten-3β-yloxy) -β-D-glucopyranose (XI) 500 mg (0.543 mmo) of the compound (VIII) synthesized in Example 5
l) and 540 mg (1.08 mmol) of compound (IX) are dissolved in 20 ml of anhydrous dichloromethane, and 1.25 g of molecular sieve (MS) 4A is dissolved.
Was added and stirred at room temperature for 10 minutes. Add 280mg of AgOTf (1.
09mmol) and 150mg (1.06mmol) of NaHPO 3
After stirring at room temperature for 10 days, the mixture was filtered, and the filtrate was washed with a saturated aqueous solution of NaHCO 3 and a saturated aqueous solution of NaCl, and dried over anhydrous Na 2 SO 4 . The solvent was distilled off, the residue was purified by silica gel chromatography (chloroform / methanol = 25: 1), then the solvent was changed to (ethyl acetate / hexane = 5: 1), and further, rover column chromatography (MERCK).
(Chloroform / methanol = 50: 1), and the compound (X) 53 mg (7%) and the compound (XI) 21 mg
(3%) were each obtained as an anhydrous powder.

<化合物(X)の物性値> 融点:127〜130℃(dec)。<Physical properties of compound (X)> Melting point: 127 to 130 ° C (dec).

▲〔α〕29 D▼−16.4°(C=1,CHCl3)。▲ [α] 29 D ▼ -16.4 ° (C = 1, CHCl 3 ).

FAB−MS(m/z):1417(M++Na+1)。1 H−NMR(CDCl3)δ:(シアル酸成分)1.97(1H,dd,J
=12,8Hz,H−3ax),2.55(1H,dd,J=12,5Hz,H−3eq),
5.28(1H,ddd,J=10,8.5Hz,H−4),4.05(1H,ddd,J=1
2,10,9.5Hz,H−5),4.34(1H,dd,J=12,2.5Hz,H−
6),5.25(1H,dd,J=10,2.5Hz,H−7),5.27(1H,ddd,
J=10,6.5Hz,H−8),4.88(1H,dd,J=12,5Hz,H−9),
4.03(1H,dd,J=12,6Hz),5.31(1H,d,J=9.5Hz,NHCOOC
H3),4.81(3H,s,NHCOOCH 3),(ガラクトース成分)4.
47(1H,d,J=8Hz,H−1),5.17(1H,dd,J=11,8Hz,H−
2),4.85(1H,dd,J=11,3Hz,H−3),4.06(1H,d,J=3
Hz,H−4),3.63(1H,dd,J=6.5,6.5Hz,H−5),3.79
(1H,dd,J=10,6.5Hz,H−6),3.75(1H,dd,J=10,6.5H
z,H−6′),4.06(1H,s,OH−4),(グルコース成
分)4.53(1H,d,J=8Hz,H−1),4.85(1H,dd,J=9.5,8
Hz,H−2),5.16(1H,dd,J=9.5,9.5Hz,H−3),3.76
(1H,dd,J=10,9.5Hz,H−4),3.58(1H,ddd,J=10,5.
5,2Hz),4.43(1H,dd,J=12,2Hz),4.12(1H,dd,J=12,
5.5Hz,H−6′),(コレステロール成分)3.43(1H,m,
H−3),5.33(1H,dd,J=4,1.5Hz,H−6),0.66(3H,s,
Me−18),0.89(3H,d,J=6.5Hz,Me−21),0.86,0.84(3
H×2,d,J=1.5Hz),Me−26,27)。
FAB-MS (m / z) : 1417 (M + + Na + 1). 1 H-NMR (CDCl 3 ) δ: (sialic acid component) 1.97 (1H, dd, J
= 12,8Hz, H-3ax), 2.55 (1H, dd, J = 12.5Hz, H-3eq),
5.28 (1H, ddd, J = 10, 8.5 Hz, H-4), 4.05 (1H, ddd, J = 1
2,10,9.5Hz, H-5), 4.34 (1H, dd, J = 12,2.5Hz, H-
6), 5.25 (1H, dd, J = 10,2.5Hz, H-7), 5.27 (1H, ddd,
J = 10,6.5Hz, H-8), 4.88 (1H, dd, J = 12.5Hz, H-9),
4.03 (1H, dd, J = 12.6Hz), 5.31 (1H, d, J = 9.5Hz, NH COOC
H 3 ), 4.81 (3H, s, NHCOO CH 3 ), (galactose component) 4.
47 (1H, d, J = 8 Hz, H-1), 5.17 (1H, dd, J = 11,8 Hz, H-
2), 4.85 (1H, dd, J = 11,3 Hz, H-3), 4.06 (1H, d, J = 3)
Hz, H-4), 3.63 (1H, dd, J = 6.5, 6.5Hz, H-5), 3.79
(1H, dd, J = 10,6.5Hz, H-6), 3.75 (1H, dd, J = 10,6.5H
z, H-6 '), 4.06 (1H, s, OH-4), (glucose component) 4.53 (1H, d, J = 8Hz, H-1), 4.85 (1H, dd, J = 9.5,8
Hz, H-2), 5.16 (1H, dd, J = 9.5,9.5Hz, H-3), 3.76
(1H, dd, J = 10,9.5Hz, H-4), 3.58 (1H, ddd, J = 10,5.
5,2Hz), 4.43 (1H, dd, J = 12.2Hz), 4.12 (1H, dd, J = 12,
5.5Hz, H-6 '), (cholesterol component) 3.43 (1H, m,
H-3), 5.33 (1H, dd, J = 4,1.5Hz, H-6), 0.66 (3H, s,
Me-18), 0.89 (3H, d, J = 6.5Hz, Me-21), 0.86, 0.84 (3
Hx2, d, J = 1.5 Hz), Me-26, 27).

元素分析(C69H103NO28) 計算値:C,59.43;H,7.45;N:1.00 実測値:C,59.01;H,7.31;N:1.30 <化合物(XI)の物性値> 融点:124〜126℃(dec)。Elemental analysis (C 69 H 103 NO 28) Calculated: C, 59.43; H, 7.45 ; N: 1.00 Found: C, 59.01; H, 7.31 ; N: 1.30 <Physical properties of compound (XI)> Melting point: 124 to 126 ° C (dec).

▲〔α〕29 D▼−13.2°(C=1,CHCl3)。▲ [α] 29 D ▼ -13.2 ° (C = 1, CHCl 3 ).

FAB−MS(m/z):1417(M++Na+1)。1 H−NMR(CDCl3)δ:(シアル酸成分)1.79(1H,dd,J
=13,11Hz,H−3ax),2.46(1H,dd,J=13.5Hz,H−3eq),
5.31(1H,ddd,J=11,11,5Hz,H−4),3.76(1H,ddd,J=
11,11,9Hz,H−5),4.26(1H,dd,J=11,2Hz,H−6),5.
34(1H,dd,J=3,2Hz,H−7),5.26(1H,ddd,J=8,3,2H
z,H−8),4.70(1H,dd,J=12,2Hz,H−9),4.17(1H,d
d,J=12.5,8Hz,H−9′),6.10(1H,d,J=9Hz,NHCOOC
H3),3.81(3H,s,NHCOOCH 3),(ガラクトース成分)4.
44(1H,d,J=8Hz,H−1),5.17(1H,d,J=10.5,8Hz,H−
2),4.88(1H,dd,J=10.5,3Hz,H−3),4.19(1H,d,J
=3Hz,H−4),3.40(1H,dd,J=8,4.5Hz,H−5),3.80
(1H,dd,J=9.5,8Hz,H−6),3.70(1H,dd,J=9.5,4.5H
z,H−6′),3.81(1H,s,OH−4),(グルコース成
分)4.53(1H,d,J=8Hz,H−1),4.82(1H,dd,J=10,8H
z,H−2),5.14(1H,dd,J=10,8Hz,H−3),3.75(1H,d
d,J=10,8Hz,H−4),3.55(1H,ddd,J=10,5,2Hz,H−
5),4.43(1H,dd,J=12,2Hz,H−6),4.10(1H,dd,J=
12,5Hz,H−6′),(コレステロール成分)3.43(1H,
m,H−3),5.34(1H,d,J=8.5Hz,H−6),0.65(3H,s,M
e−18),0.90(3H,d,J=6.5Hz,Me−21),0.86,0.84(3H
×2,d,J=2Hz,Me−26,27)。
FAB-MS (m / z) : 1417 (M + + Na + 1). 1 H-NMR (CDCl 3 ) δ: (sialic acid component) 1.79 (1H, dd, J
= 13,11Hz, H-3ax), 2.46 (1H, dd, J = 13.5Hz, H-3eq),
5.31 (1H, ddd, J = 11, 11, 5 Hz, H-4), 3.76 (1H, ddd, J =
11,11,9Hz, H-5), 4.26 (1H, dd, J = 11.2Hz, H-6), 5.
34 (1H, dd, J = 3.2Hz, H-7), 5.26 (1H, ddd, J = 8,3,2H
z, H-8), 4.70 (1H, dd, J = 12,2 Hz, H-9), 4.17 (1H, d
d, J = 12.5,8Hz, H-9 '), 6.10 (1H, d, J = 9Hz, NH COOC
H 3), 3.81 (3H, s, NHCOO CH 3), ( galactose component) 4.
44 (1H, d, J = 8Hz, H-1), 5.17 (1H, d, J = 10.5,8Hz, H-
2), 4.88 (1H, dd, J = 10.5, 3 Hz, H-3), 4.19 (1H, d, J
= 3Hz, H-4), 3.40 (1H, dd, J = 8,4.5Hz, H-5), 3.80
(1H, dd, J = 9.5,8Hz, H-6), 3.70 (1H, dd, J = 9.5,4.5H
z, H-6 '), 3.81 (1H, s, OH-4), (glucose component) 4.53 (1H, d, J = 8Hz, H-1), 4.82 (1H, dd, J = 10,8H)
z, H-2), 5.14 (1H, dd, J = 10,8Hz, H-3), 3.75 (1H, d
d, J = 10,8Hz, H-4), 3.55 (1H, ddd, J = 10,5,2Hz, H-
5), 4.43 (1H, dd, J = 12,2Hz, H-6), 4.10 (1H, dd, J =
12,5 Hz, H-6 '), (cholesterol component) 3.43 (1H,
m, H-3), 5.34 (1H, d, J = 8.5Hz, H-6), 0.65 (3H, s, M
e-18), 0.90 (3H, d, J = 6.5Hz, Me-21), 0.86, 0.84 (3H
× 2, d, J = 2 Hz, Me-26, 27).

元素分析(C69H103NO28) 計算値:C,59.43;H,7.45;N:1.00 実測値:C,59.08;H,7.41;N:1.10 実施例7 O−〔メチル(5−アセトアミド−3,5−ジデオキシ
−D−グリセロ−α−D−ガラクト−ノニュロピラノシ
ル)オネート)〕−(2→6)−O−β−D−ガラクト
ピラノシル−(1→4)−1−(5−コレステン−3β
−イルオキシ)−β−D−グルコピラノース(XII)の
製造方法 実施例6で合成した化合物(X)100mg(0.072mmol)
を無水メタノール10mlに溶解し、28%MeONa(メタノー
ル溶液)0.5mlを加え、室温で3時間攪拌した。これをD
owex50W−X8〔H+]で脱Naイオンして、濾過し、濃縮す
る事により、無色の粉末68mg(XII、収率93%)を得
た。
Elemental analysis (C 69 H 103 NO 28) Calculated: C, 59.43; H, 7.45 ; N: 1.00 Found: C, 59.08; H, 7.41 ; N: 1.10 Example 7 O- [methyl (5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-nonulopyranosyl) onate)]-(2 → 6) -O-β-D- Galactopyranosyl- (1 → 4) -1- (5-cholesten-3β
Method for producing -yloxy) -β-D-glucopyranose (XII) 100 mg (0.072 mmol) of compound (X) synthesized in Example 6
Was dissolved in anhydrous methanol (10 ml), 28% MeONa (methanol solution) (0.5 ml) was added, and the mixture was stirred at room temperature for 3 hours. This is D
The solution was deionized with owex 50W-X8 [H + ], filtered and concentrated to obtain 68 mg of a colorless powder (XII, 93% yield).

<化合物(XII)の物性値> 融点:205〜217℃(dec)。<Physical properties of compound (XII)> Melting point: 205-217 ° C (dec).

▲〔α〕29 D▼−28.6℃(C=0.37,MeOH)。1 H−NMR(MeOD−d4)δ:(グルコース成分)4.42(1H,
d,J=8,H−1),(ガラクトース成分)4.32(1H,d,J=
7Hz,H−1),(シアル酸成分)2.64(1H,dd,J=12.5,
4.5Hz,H−3eq),1.80(1H,dd,J=12.5,12Hz,H−3ax),
3.83(3H,s,COOCH3),1.98(3H,s,NHCOCH3),(コレス
テロール成分)3.40(1H,br,H−3),5.36(1H,br,H−
6),0.71(3H,s,Me−18),1.02(3H,s,Me−19),0.94
(3H,d,J=6.5Hz,Me−21),0.88,0.86(3H×2,d,J=1.5
Hz,Me−26,27)。
▲ [α] 29 D ▼ -28.6 ° C (C = 0.37, MeOH). 1 H-NMR (MeOD-d 4 ) δ: (glucose component) 4.42 (1H,
d, J = 8, H-1), (galactose component) 4.32 (1H, d, J =
7Hz, H-1), (sialic acid component) 2.64 (1H, dd, J = 12.5,
4.5Hz, H-3eq), 1.80 (1H, dd, J = 12.5,12Hz, H-3ax),
3.83 (3H, s, COOCH 3 ), 1.98 (3H, s, NHCOCH 3 ), (cholesterol component) 3.40 (1H, br, H-3), 5.36 (1H, br, H-
6), 0.71 (3H, s, Me-18), 1.02 (3H, s, Me-19), 0.94
(3H, d, J = 6.5Hz, Me-21), 0.88,0.86 (3H × 2, d, J = 1.5
Hz, Me-26, 27).

元素分析(C51H85No19) 計算値:C,60.28;H,8.43;N:1.38 実測値:C,59.97;H,8.42;N:1.62 実施例8 O−〔メチル−(5−アセトアミド−3,5−ジデオキ
シ−D−グリセロ−β−D−ガラクト−ノニュロピラノ
シル)オネート〕−(2→6)−O−β−D−ガラクト
ピラノシル−(1→4)−1−(5−コレステン−3β
−イルオキシ)−β−D−グルコピラノース(XIII)の
製造方法 実施例6で合成した化合物(XI)50mg(0.0359mmol)
を無水メタノール5mlに溶解し、28%MeONa(メタノール
溶液)0.2mlを加え、室温で2時間攪拌した。これを実
施例7と同様に処理して、無色の粉末36.7mg(化合物
(XIII)、収率98%)を得た。
Elemental analysis (C 51 H 85 No 19) Calculated: C, 60.28; H, 8.43 ; N: 1.38 Found: C, 59.97; H, 8.42 ; N: 1.62 EXAMPLE 8 O-[methyl - (5-acetamido -3,5-dideoxy-D-glycero-β-D-galacto-nonulopyranosyl) onate]-(2 → 6) -O-β-D-galactopyranosyl- (1 → 4) -1 -(5-cholesten-3β
Method for producing -yloxy) -β-D-glucopyranose (XIII) 50 mg (0.0359 mmol) of compound (XI) synthesized in Example 6
Was dissolved in 5 ml of anhydrous methanol, 0.2 ml of 28% MeONa (methanol solution) was added, and the mixture was stirred at room temperature for 2 hours. This was treated in the same manner as in Example 7 to obtain 36.7 mg of a colorless powder (compound (XIII), yield: 98%).

<化合物(XIII)の物性値> 融点:210〜220℃(dec)。<Physical properties of compound (XIII)> Melting point: 210-220 ° C (dec).

▲〔α〕29 D▼−15.1°(C=0.37、MeOH)。1 H−NMR(MeOD−d4)δ:(グルコース成分)4.43(1H,
d,J=8Hz,H−1),(ガラクトース成分)4.33(1H,d,J
=7Hz,H−1),(シアル酸成分)2.49(1H,dd,J=13,5
Hz,H−3eq),1.64(1H,dd,J=13,11Hz,H−3ax),3.80
(3H,s,COOCH3),2.01(3H,s,NHCOCH3),(コレステロ
ール成分)3.43(1H,m,H−3),5.37(1H,br,H−6),
0.71(3H,s,Me−18),1.03(3H,s,Me−19),0.94(3H,
d,J=6.5Hz,Me−21),0.88,0.87(3H×2,d,J=1.5,Me−
26,27)。
▲ [α] 29 D ▼-15.1 ° (C = 0.37, MeOH). 1 H-NMR (MeOD-d 4 ) δ: (glucose component) 4.43 (1H,
d, J = 8 Hz, H-1), (galactose component) 4.33 (1H, d, J
= 7Hz, H-1), (sialic acid component) 2.49 (1H, dd, J = 13,5
Hz, H-3eq), 1.64 (1H, dd, J = 13,11Hz, H-3ax), 3.80
(3H, s, COOCH 3 ), 2.01 (3H, s, NHCOCH 3 ), (cholesterol component) 3.43 (1H, m, H-3), 5.37 (1H, br, H-6),
0.71 (3H, s, Me-18), 1.03 (3H, s, Me-19), 0.94 (3H,
d, J = 6.5Hz, Me-21), 0.88,0.87 (3H × 2, d, J = 1.5, Me-
26,27).

元素分析(C51H85No19) 計算値:C,60.28;H,8.43;N:1.38 実測値:C,60.29;H,8.59;N:1.46 実施例9 O−(5−アセトアミド−3,5−ジデオキシ−D−グ
リセロ−β−D−ガラクト−ノニュロピラノシル酸)−
(2→6)−O−β−D−ガラクトピラノシル−(1→
4)−1−(5−コレステン−3β−イルオキシ)−β
−D−グルコピラノース(XIV)の製造方法 実施例7で合成した化合物(XII)34mg(0.0335mmo
l)をメタノール5mlに溶解し、1N−NaOH0.2mlを加え、
1時間30分攪拌した。これをDowex50W−X8で脱Naイオン
して濾過、濃縮して、無色粉末31mg(化合物(XIV)、
収率93%)を得た。
Elemental analysis (C 51 H 85 No 19) Calculated: C, 60.28; H, 8.43 ; N: 1.38 Found: C, 60.29; H, 8.59 ; N: 1.46 Example 9 O-(5-acetamido -3, 5-dideoxy-D-glycero-β-D-galacto-nonulopyranosylic acid)-
(2 → 6) -O-β-D-galactopyranosyl- (1 →
4) -1- (5-cholesten-3β-yloxy) -β
-Method for producing D-glucopyranose (XIV) 34 mg (0.0335 mmo) of the compound (XII) synthesized in Example 7
l) was dissolved in 5 ml of methanol, 0.2 ml of 1N-NaOH was added,
Stir for 1 hour 30 minutes. This was deionized with Dowex50W-X8, filtered and concentrated to give 31 mg of a colorless powder (compound (XIV),
Yield 93%).

<化合物(XIV)の物性値> 融点:185〜195℃(dec)。<Physical properties of compound (XIV)> Melting point: 185 to 195 ° C (dec).

▲〔α〕29 D▼−22.7°(C=0.30、MeOH)。1 H−NMR(MeOD−d4)δ:(グルコース成分)4.43(1H,
d,J=8.0Hz,H−1),(ガラクトース成分)4.33(1H,
d,J=7.5Hz,H−1),(シアル酸成分)2.67(1H,dd,J
=12.5,4.5Hz,H−3eq),1.80(1H,dd,J=12.5,12Hz,H−
3ax),1.99(3H,s,NHCOCH3),(コレステロール成分)
3.41(1H,br,H−3),5.36(1H,br,H−6),0.71(3H,
s,Me−18),1.02(3H,s,Me−19),0.94(3H,d,J=7Hz,M
e−21),0.88,0.87(3H,d,J=1.5Hz,Me−26,27)。
▲ [α] 29 D ▼ -22.7 ° (C = 0.30, MeOH). 1 H-NMR (MeOD-d 4 ) δ: (glucose component) 4.43 (1H,
d, J = 8.0Hz, H-1), (galactose component) 4.33 (1H,
d, J = 7.5Hz, H-1), (sialic acid component) 2.67 (1H, dd, J
= 12.5, 4.5Hz, H-3eq), 1.80 (1H, dd, J = 12.5, 12Hz, H-
3ax), 1.99 (3H, s, NHCOCH 3 ), (cholesterol component)
3.41 (1H, br, H-3), 5.36 (1H, br, H-6), 0.71 (3H,
s, Me-18), 1.02 (3H, s, Me-19), 0.94 (3H, d, J = 7Hz, M
e-21), 0.88, 0.87 (3H, d, J = 1.5 Hz, Me-26, 27).

元素分析(C50H83No19) 計算値:C,59.92;H,8.35;N:1.40 実測値:C,59.79;H,8.46;N:1.71 実施例10 O−(5−アセトアミド−3,5−ジデオキシ−D−グ
リセロ−β−D−ガラクト−ノニュロピラノシル酸)−
(2→6)−O−β−D−ガラクトピラノシル−(1→
4)−1−(5−コレステン−3β−イルオキシ)−β
−D−グルコピラノース(XV)の製造方法 実施例8で合成した化合物(XIII)20mg(0.0197mmo
l)をメタノール5mlに溶解し、1N−NaOH0.2mlを加え
て、室温で1時間30分攪拌した。これにDowex50W−X8
(H+)を加えて、脱Naイオンして、濾過後、濃縮するこ
とにより無色粉末18.5mg(化合物(XV)、収率94%)を
得た。
Elemental analysis (C 50 H 83 No 19) Calculated: C, 59.92; H, 8.35 ; N: 1.40 Found: C, 59.79; H, 8.46 ; N: 1.71 Example 10 O-(5-acetamido -3, 5-dideoxy-D-glycero-β-D-galacto-nonulopyranosylic acid)-
(2 → 6) -O-β-D-galactopyranosyl- (1 →
4) -1- (5-cholesten-3β-yloxy) -β
-Method for producing D-glucopyranose (XV) 20 mg (0.0197 mmo) of the compound (XIII) synthesized in Example 8
l) was dissolved in 5 ml of methanol, 0.2 ml of 1N-NaOH was added, and the mixture was stirred at room temperature for 1 hour and 30 minutes. Dowex50W-X8
(H + ) was added to remove Na ions, filtered, and concentrated to obtain 18.5 mg of a colorless powder (Compound (XV), yield: 94%).

<化合物(XV)の物性値> 融点:155〜162℃(dec)。<Physical properties of compound (XV)> Melting point: 155 to 162 ° C (dec).

▲〔α〕29 D▼−17.9°(C=0.29、MeOH)。1 H−NMR(MeOD−d4)δ:(グルコース成分)4.42(1H,
d,J=8.0Hz,H−1),(ガラクトース成分)4.33(1H,
d,J=7.5Hz,H−1),(シアル酸成分)2.47(1H,dd,J
=13.01,5Hz,H−3eq),1.63(1H,dd,J=13.0,11.5Hz,H
−3ax),2.02(3H,s,NHCOCH3),(コレステロール成
分)3.43(1H,br,H−3),5.37(1H,br,H−6),0.72
(3H,s,Me−18),1.03(3H,s,Me−19),0.94(3H,d,J=
6.5Hz,Me−21),0.88,0.86(3H×2,d,J=1.5Hz,Me−26,
27)。
▲ [α] 29 D ▼ -17.9 ° (C = 0.29, MeOH). 1 H-NMR (MeOD-d 4 ) δ: (glucose component) 4.42 (1H,
d, J = 8.0Hz, H-1), (galactose component) 4.33 (1H,
d, J = 7.5Hz, H-1), (sialic acid component) 2.47 (1H, dd, J
= 13.01, 5Hz, H-3eq), 1.63 (1H, dd, J = 13.0, 11.5Hz, H
−3ax), 2.02 (3H, s, NHCOCH 3 ), (cholesterol component) 3.43 (1H, br, H-3), 5.37 (1H, br, H-6), 0.72
(3H, s, Me-18), 1.03 (3H, s, Me-19), 0.94 (3H, d, J =
6.5Hz, Me-21), 0.88,0.86 (3H × 2, d, J = 1.5Hz, Me-26,
27).

元素分析(C50H83NO19) 計算値:C,59.92;H,8.35;N:1.40 実測値:C,59.90;H,8.43;N:1.58 実施例11 化合物(XVII)の合成 化合物(XVI)4.100g(11.70mmol)とコレステロール
(II)4.525g(11.70mmol)を乾燥CH2Cl2の50mlに溶か
し、更にEt3Nの1.63ml(11.70mmol)を加えて室温にて
アルゴンガス雰囲気下、撹拌しながら、BF3・OEt2の7.4
5ml(11.70mmol×5)を滴下した後、約45分間撹拌しつ
つ反応を行った。反応の終了はTLC(AcOEt/n−ヘキサン
=1:2)にて化合物(XVI)が消失するのを確認すること
により判定した。
Elemental analysis (C 50 H 83 NO 19) Calculated: C, 59.92; H, 8.35 ; N: 1.40 Found: C, 59.90; H, 8.43 ; N: 1.58 Example 11 Synthesis of Compound A Compound (XVII) (XVI ) 4.100g (11.70mmol) and cholesterol (II) 4.525g (a 11.70Mmol) was dissolved in 50ml of dry CH 2 Cl 2, under argon gas atmosphere at room temperature for further addition of 1.63ml (11.70mmol) of Et 3 N BF 3・ OEt 2 7.4 with stirring
After dropwise addition of 5 ml (11.70 mmol × 5), the reaction was carried out with stirring for about 45 minutes. The completion of the reaction was determined by confirming that the compound (XVI) disappeared by TLC (AcOEt / n-hexane = 1: 2).

反応液は水洗後、飽和のNaH(O3)水溶液にて洗浄、水
洗を繰り返した後、CH2Cl2層を乾燥(無水のNa2SO4
し、シリカゲルカラムクロマトグラフィー(AcOEt/n−
ヘキサン=8:1、4:1、2:1)にて分離・精製し、3を3.0
24g得た。化合物(XVII)は、AcOEt/n−ヘキサン系より
再結晶し、無色プリズム晶として得た。
The reaction solution is washed with water, washed with a saturated aqueous solution of NaH (O 3 ), and repeatedly washed with water, and then the CH 2 Cl 2 layer is dried (anhydrous Na 2 SO 4 ).
And silica gel column chromatography (AcOEt / n-
Hexane = 8: 1, 4: 1, 2: 1) to separate and purify 3 to 3.0
24 g were obtained. Compound (XVII) was recrystallized from AcOEt / n-hexane to give colorless prisms.

化合物(XVII)の物理恒数 融点:151〜151.5℃ 元素分析(C41H64O10) 計算値:C,68.72;H,8.94 実測値:C,68.58;H,8.971 H−NMR(CDCl3,300MH2) ガラクトース成分 5.375(1H,dd,J=3.4,0.6Hz,H−4) 5.185(1H,dd,J=7.8,10.4Hz,H−2) 5.016(1H,dd,J=10.4,3.4Hz,H−3) 4.472(1H,dd,J=7.8Hz,H−1) 4.180(1H,dd,J=11.0,6.5Hz,H−6) 4.108(1H,dd,J=11.0,6.8Hz,H−6′) 3.881(1H,ddd,J=6.5,6.8,0.6Hz,H−5) コレステロール成分 5.356(1H,m,H−6) 0.980(3H,s,19−Me),0.907(3H,d,J=6.2Hz,21−M
e),0.870,0.846(6H,s×2,26−,27−Me),0.670(3H,
s,18−Me) 実施例12 実施例11で得た化合物(XVII)0.92gを乾燥メタノー
ル100mlに溶解し、28%MeONa(メタノール溶液)を5滴
加え、2時間30分間撹拌し、結晶を濾取し、さらに濾液
をダウエックス50W×8(H+)で中和後濃縮乾固した。
この結晶及び乾固物をピリジン8mlに溶解しトリチルク
ロライド1311mgを加え、33時間撹拌した。この反応液を
氷水中に注ぎ、析出物を濾取、乾燥し、カラムクロマト
グラフィー(クロロホルム:メタノール=20:1〜5:1)
で分離精製し、化合物(XVIIa)を得た。
Physical constant of compound (XVII) Melting point: 151-151.5 ° C Elemental analysis (C 41 H 64 O 10 ) Calculated value: C, 68.72; H, 8.94 Actual value: C, 68.58; H, 8.97 1 H-NMR (CDCl 3, 300MH 2) galactose component 5.375 (1H, dd, J = 3.4,0.6Hz, H-4) 5.185 (1H, dd, J = 7.8,10.4Hz, H-2) 5.016 (1H, dd, J = 10.4 , 3.4Hz, H-3) 4.472 (1H, dd, J = 7.8Hz, H-1) 4.180 (1H, dd, J = 11.0,6.5Hz, H-6) 4.108 (1H, dd, J = 11.0, 6.8Hz, H-6 ') 3.881 (1H, ddd, J = 6.5,6.8,0.6Hz, H-5) Cholesterol component 5.356 (1H, m, H-6) 0.980 (3H, s, 19-Me), 0.907 (3H, d, J = 6.2Hz, 21−M
e), 0.870, 0.846 (6H, s × 2, 26-, 27-Me), 0.670 (3H,
s, 18-Me) Example 12 0.92 g of the compound (XVII) obtained in Example 11 was dissolved in 100 ml of dry methanol, 5 drops of 28% MeONa (methanol solution) was added, and the mixture was stirred for 2 hours and 30 minutes. After filtration, the filtrate was neutralized with Dowex 50W × 8 (H + ) and concentrated to dryness.
The crystals and the dried product were dissolved in pyridine (8 ml), trityl chloride (1311 mg) was added, and the mixture was stirred for 33 hours. The reaction solution was poured into ice water, the precipitate was collected by filtration, dried, and column chromatography (chloroform: methanol = 20: 1 to 5: 1).
The compound (XVIIa) was obtained by separation and purification.

この化合物(XVIIa)に無水酢酸2mlとピリジン2mlを
加え溶解し、ジメチルアミノピリジンを少量加え、2日
間撹拌した。これを氷水中に注ぎ、析出した結晶を濾
取、乾燥し、化合物(XVIII)を化合物(XVII)から90
%の収率で得た。
To this compound (XVIIa), 2 ml of acetic anhydride and 2 ml of pyridine were added and dissolved, a small amount of dimethylaminopyridine was added, and the mixture was stirred for 2 days. This was poured into ice water, and the precipitated crystals were collected by filtration and dried. Compound (XVIII) was converted from compound (XVII) by 90%.
% Yield.

実施例13 化合物(XIX)の合成 実施例12で得た化合物(XVIII)50mgを90%酢酸水溶
液の1.5mlに懸濁、90℃温浴にて、冷却管を付けて約15
分間撹拌し、TLC(AcOEt/n−ヘキサン=1:2)にて反応
の終了を確認した。反応液は冷却後、トルエンを加えて
減圧下留去し、シリカゲルカラムクロマトグラフィー
(AcOEt/n−ヘキサン=1:4,1:2)にて分離精製した。こ
の脱トリチル化反応では、TLC上2成分が認められ、化
合物(XIX)を27.74mg(75.4%)、化合物(XX)を8.09
mg(22.0%)得た。
Example 13 Synthesis of Compound (XIX) 50 mg of the compound (XVIII) obtained in Example 12 was suspended in 1.5 ml of a 90% aqueous acetic acid solution, and the suspension was placed in a 90 ° C warm bath with a cooling tube attached thereto for about 15 minutes.
After stirring for minutes, the completion of the reaction was confirmed by TLC (AcOEt / n-hexane = 1: 2). After cooling, the reaction solution was added with toluene, distilled off under reduced pressure, and separated and purified by silica gel column chromatography (AcOEt / n-hexane = 1: 4,1: 2). In this detritylation reaction, two components were observed on TLC, and the compound (XIX) was 27.74 mg (75.4%) and the compound (XX) was 8.09%
mg (22.0%).

化合物(XIX)は、FAB−MS(マトリックス:m−NBA+N
aI)でm/z697(M+Na),369、更に1H−NMRから目的と
する6位水酸基がフリーの化合物であることを確認し
た。
Compound (XIX) was prepared using FAB-MS (matrix: m-NBA + N
aI), m / z 697 (M + Na), 369, and furthermore, 1 H-NMR confirmed that the desired 6-position hydroxyl group was a free compound.

化合物(XX)は、化合物(XIX)同様、FAB−MS(マト
リックス:m−NBA+NaI)でm/z697(M+Na),369又1H−
NMRから化合物(XIX)の4位アセチル位が6位に転位し
たと推測される化合物であることが推測された。
Compound (XX) was prepared by FAB-MS (matrix: m-NBA + NaI) at m / z 697 (M + Na), 369 or 1 H- as in compound (XIX).
From NMR, it was presumed that the compound (XIX) was a compound presumed to have been rearranged from the 4-acetyl position to the 6-position.

実施例14 化合物(XXII)、(XXIII)の合成 方法(A):AgOTfの40.6mg、SnCl2の29.9mg、MS4Aの1
00mgに乾燥ベンゼンの1mlを加えてアルゴンガス雰囲気
下室温にて約30分間撹拌後、実施例13で得た化合物(XI
X)88.7mg(0.132mmol)、および化合物(XXI)78.1mg
(0.158mmol)を乾燥ベンゼンの5mlに溶かして、室温に
て加え、遮光下、約8時間撹拌することにより反応を行
った。反応の終了はTLC(CHCl3/MeOH=30:1)にて化合
物(XXI)が消失したことにより確認した。
Example 14 Synthesis of Compounds (XXII) and (XXIII) Method (A): 40.6 mg of AgOTf, 29.9 mg of SnCl 2 , 1 of MS4A
After adding 1 ml of dry benzene to 00 mg and stirring at room temperature for about 30 minutes under an argon gas atmosphere, the compound obtained in Example 13 (XI
X) 88.7 mg (0.132 mmol), and compound (XXI) 78.1 mg
(0.158 mmol) was dissolved in 5 ml of dry benzene, added at room temperature, and stirred for about 8 hours under light shielding to carry out a reaction. The completion of the reaction was confirmed by disappearance of the compound (XXI) by TLC (CHCl 3 / MeOH = 30: 1).

反応液は、セライトろ過、酢酸エチルにて洗浄し、ろ
液および洗浄液を飽和NaHCO3水溶液、水、ブラインにて
順次洗浄後、乾燥(無水Na2SO4)し、シリカゲルカラム
クロマトグラフィー(ベンゼン:アセトン=5:1、2.5:
1)にて分離・精製し、化合物(XXII)と(XXIII)を合
わせて54mg(35.6%)得た。化合物(XXII)と(XXII
I)の生成比はTLC(CHCl3/MeOH=30:1)から、約1:5〜
1:10であった。
The reaction solution was filtered through celite, washed with ethyl acetate, and the filtrate and the washing solution were washed successively with a saturated aqueous solution of NaHCO 3 , water and brine, dried (anhydrous Na 2 SO 4 ), and silica gel column chromatography (benzene: Acetone = 5: 1, 2.5:
Separation and purification were performed in 1) to obtain 54 mg (35.6%) of the compounds (XXII) and (XXIII) in total. Compounds (XXII) and (XXII
The formation ratio of I) is from about 1: 5 to TLC (CHCl 3 / MeOH = 30: 1).
It was 1:10.

更に化合物(XXII)と(XXIII)の分離はTLC分取(CH
Cl3/MeOH=25:1)により行った。
Further, separation of compounds (XXII) and (XXIII) is performed by TLC fractionation (CH
Cl 3 / MeOH = 25: 1).

方法(B):実施例13で得た化合物(XIX)176mg(0.26
1mmol)に乾燥CH2Cl2の4mlを加えて溶かし、更にAgOTf
の80mg、NaHPO4の20mg、およびMS4Aの220mgを加えて、
アルゴンガス雰囲気下、室温にて約30分間撹拌後、氷浴
にて、化合物(IX)の160mg(0.313mmol)を乾燥CH2Cl2
の2mlに溶かして加え、遮光下、一晩(18時間)撹拌す
ることにより反応を行った。
Method (B): 176 mg (0.26) of compound (XIX) obtained in Example 13.
1 mmol), add 4 ml of dry CH 2 Cl 2 and dissolve.
80 mg of NaHPO 4 and 220 mg of MS4A
After stirring at room temperature for about 30 minutes in an argon gas atmosphere, 160 mg (0.313 mmol) of compound (IX) was dried in an ice bath and dried in CH 2 Cl 2.
The reaction was carried out by stirring overnight (18 hours) under light shielding.

反応液の処理方法は(A)法と同様に行い、化合物
(XXII)と(XXIII)とを合わせて、220mg(収率73.4
%)得た。化合物(XXII)と(XXIII)の生成比はTLC
(CHCl3/MeOH=30:1)上から、約1:1であった。更に化
合物(XXII)と(XXIII)はTLC分取により単離した。
The reaction solution is treated in the same manner as in the method (A), and the compound (XXII) and the compound (XXIII) are combined to give 220 mg (yield 73.4
%)Obtained. The formation ratio of compound (XXII) to (XXIII) is TLC
(CHCl 3 / MeOH = 30: 1) It was about 1: 1 from above. Furthermore, compounds (XXII) and (XXIII) were isolated by TLC fractionation.

物理恒数 FAB−MS(マトリックス:m−NBA+NaI) 化合物(XXII):m/z1171(M+Na+1) 化合物(XXIII):m/z1171(M+Na+1)1 H−NMR(300MHz,CDCl3) 化合物(XXII) (シアル酸成分) 5.35(1H,ddd,J=9.0,6.0,2.5Hz,H−8) 5.273(1H,dd,J=9.0,1.5Hz,H−7) 5.133(1H,d,J=9.5,NH) 4.842(1H,ddd,J=12.6,9.5,4.5Hz,H−4) 4.320(1H,dd,J=12.5,2.5Hz,H−9) 4.080(1H,dd,J=1.5,9.5Hz,H−6) 4.061(1H,dd,J=12.5,6.0Hz,H−9′) 4.017(1H,ddd,J=9.5Hz,H−5) 3.778(3H,s,COOMe) 2.510(1H,dd,J=4.6,12.6Hz,H−3eq) 1.902(1H,t,J=12.6Hz,H−3ax) (ガラクトース成分) 5.423(1H,d,J=3.5Hz,H−4) 5.160(1H,dd,J=8.0,10.5Hz,H−2) 5.052(1H,dd,J=10.5,3.5Hz,H−3) 4.620(1H,d,J=8.0 H−1) 3.911(1H,dd,J=7.5,6.0Hz,H−5) 3.792(1H,dd,J=10.0,6.0Hz,H−6) 3.387(1H,dd,J=10.0,7.5Hz,H−6′) 2.176,2.125,2.111,2.057,2.021,2.011,1.965,1.879,
(24H,s×8,NAc×1,OAc×7) (コレステロール成分) 5.34(1H,m,H−4) 0.975(3H,s,19−Me) 0.912(3H,d,J=6.2Hz,21−Me) 0.868(3H,d,J=1.2Hz,26−or) 0.844(3H,d,J=1.2Hz,27−Me) 0.665(3H,s,18−Me) 化合物(XXIII) (シアル酸成分) 5.711(1H,d,J=10.5Hz NH) 5.335(1H,dd,J=5.0,2.5Hz,H−7) 5.195(1H,ddd,J=12.6,10.5,5.0Hz,H−4) 5.082(1H,ddd,J=25,7.0,5.0Hz,H−8) 4.673(1H,dd,J=12.5,2.5Hz,H−9) 4.145(1H,ddd,J=10.5Hz,H−5) 4.032(1H,dd,J=12.5,7.0Hz,H−9′) 3.813(3H,s,COOMe) 3.533(1H,dd,J=10.5,2.5Hz,H−6) 2.430(1H,dd,J=12.6,5.0Hz,H−3eq) 1.807(1H,t,J=12.6Hz,H−3ax) (ガラクトース成分) 5.586(1H,d,J=3.0Hz,H−4) 5.161(1H,dd,J=10.0,7.5Hz,H−2) 5.086(1H,dd,J=3.0,10.0Hz,H−3) 4.563(1H,d,J=7.5Hz,H−1) 3.855(1H,dd,J=9.0,5.0Hz,H−6) 3.498(1H,dd,J=9.0,5.0Hz,H−6′) 3.352(1H,t,J=9.0Hz,H−5) 2.310,2.143,2.090,2.056,2.029,2.000,1.996,1.891,
(24H,s×8,NAc×1,OAc×7) (コレステロール成分) 5.370(1H,m,H−4) 0.982(3H,s,19−Me). 0.904(3H,d,J=6.3Hz,21−Me) 0.869(3H,d,J=1.2Hz,26−,or) 0.845(3H,d,J=1.2Hz,27−Me) 0.666(3H,s,18−Me)
Physical constant FAB-MS (matrix: m-NBA + NaI) Compound (XXII): m / z1171 (M + Na + 1) Compound (XXIII): m / z1171 (M + Na + 1) 1 H-NMR (300 MHz, CDCl 3 ) Compound (XXII) ( Sialic acid component) 5.35 (1H, ddd, J = 9.0,6.0,2.5Hz, H-8) 5.273 (1H, dd, J = 9.0,1.5Hz, H-7) 5.133 (1H, d, J = 9.5, NH) 4.842 (1H, ddd, J = 12.6,9.5,4.5Hz, H-4) 4.320 (1H, dd, J = 12.5,2.5Hz, H-9) 4.080 (1H, dd, J = 1.5,9.5Hz) , H-6) 4.061 (1H, dd, J = 12.5,6.0Hz, H-9 ') 4.017 (1H, ddd, J = 9.5Hz, H-5) 3.778 (3H, s, COOMe) 2.510 (1H, dd, J = 4.6,12.6Hz, H-3eq) 1.902 (1H, t, J = 12.6Hz, H-3ax) (galactose component) 5.423 (1H, d, J = 3.5Hz, H-4) 5.160 (1H , dd, J = 8.0,10.5Hz, H-2) 5.052 (1H, dd, J = 10.5,3.5Hz, H-3) 4.620 (1H, d, J = 8.0 H-1) 3.911 (1H, dd, J = 7.5,6.0Hz, H-5) 3.792 (1H, dd, J = 10.0,6.0Hz, H-6) 3.387 (1H, dd, J = 10.0,7.5Hz, H-6 ') 2.176,2.125, 2.111,2.057,2.021,2.011,1.965,1.879,
(24H, s × 8, NAc × 1, OAc × 7) (Cholesterol component) 5.34 (1H, m, H-4) 0.975 (3H, s, 19-Me) 0.912 (3H, d, J = 6.2Hz, 21-Me) 0.868 (3H, d, J = 1.2 Hz, 26-or) 0.844 (3H, d, J = 1.2 Hz, 27-Me) 0.665 (3H, s, 18-Me) Compound (XXIII) (Sial Acid component) 5.711 (1H, d, J = 10.5Hz NH) 5.335 (1H, dd, J = 5.0,2.5Hz, H-7) 5.195 (1H, ddd, J = 12.6,10.5,5.0Hz, H-4) ) 5.082 (1H, ddd, J = 25,7.0,5.0Hz, H-8) 4.673 (1H, dd, J = 12.5,2.5Hz, H-9) 4.145 (1H, ddd, J = 10.5Hz, H-) 5) 4.032 (1H, dd, J = 12.5,7.0Hz, H-9 ') 3.813 (3H, s, COOMe) 3.533 (1H, dd, J = 10.5,2.5Hz, H-6) 2.430 (1H, dd , J = 12.6,5.0Hz, H-3eq) 1.807 (1H, t, J = 12.6Hz, H-3ax) (galactose component) 5.586 (1H, d, J = 3.0Hz, H-4) 5.161 (1H, dd, J = 10.0,7.5Hz, H-2) 5.086 (1H, dd, J = 3.0,10.0Hz, H-3) 4.563 (1H, d, J = 7.5Hz, H-1) 3.855 (1H, dd , J = 9.0, 5.0Hz, H-6) 3.498 (1H, dd, J = 9.0, 5.0Hz, H-6 ') 3.352 (1H, t, J = 9.0Hz, H-5) 2.310,2 .143,2.090,2.056,2.029,2.000,1.996,1.891,
(24H, s × 8, NAc × 1, OAc × 7) (Cholesterol component) 5.370 (1H, m, H-4) 0.982 (3H, s, 19-Me). 0.904 (3H, d, J = 6.3 Hz, 21-Me) 0.869 (3H, d, J = 1.2 Hz, 26-, or) 0.845 (3H, d, J = 1.2 Hz, 27-Me) 0.666 (3H, s, 18-Me)

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】下記一般式〔1〕及び〔2〕で表わされる
化合物。 (式中、R1は水素、アセチル基又はトリチル基を示し、 R2は水素、アセチル基又は (式中、R5は水素又はアセチル基を示すか、2つのR5
共同で を形成する)を示し、R3及びR4はそれぞれ独立に水素又
はアセチル基を示し、Cholはコレステロール基を示す)
1. A compound represented by the following general formulas [1] and [2]. (Wherein, R 1 represents hydrogen, an acetyl group or a trityl group, and R 2 represents hydrogen, an acetyl group or (Wherein, R 5 represents hydrogen or an acetyl group, or two R 5 R 3 and R 4 each independently represent hydrogen or an acetyl group, and Chol represents a cholesterol group)
【請求項2】下記一般式〔3〕及び〔4〕で表わされる
化合物。 (式中、R7は水素又はメチル基を示し、R8は水素又はア
セチル基を示し、Acはアセチル基を示し、R10はChol又
(式中R11は水素又はアセチル基を示し、Cholはコレス
テロール基を示す)を示す。)
2. Compounds represented by the following general formulas [3] and [4]. (Wherein, R 7 represents hydrogen or a methyl group, R 8 represents hydrogen or an acetyl group, Ac represents an acetyl group, R 10 represents Chol or Wherein R 11 represents hydrogen or an acetyl group, and Chol represents a cholesterol group. )
【請求項3】式(VIII)で表わされる化合物 (式中、Acはアセチル基を示し、Cholはコレステロール
基を示す)と 式(IX)で表わされるシアル酸誘導体 (式中、Acはアセチル基を示し、Meはメチル基を示す)
とを反応させることを含む、式(X)及び(XI)で表わ
される化合物の製造方法。 (式(X)及び(XI)中、Acはアセチル基を示し、Meは
メチル基を示し、Cholはコレステロール基を示す)
3. A compound represented by the formula (VIII): (Where Ac represents an acetyl group and Chol represents a cholesterol group) and a sialic acid derivative represented by the formula (IX). (In the formula, Ac represents an acetyl group and Me represents a methyl group.)
A method for producing a compound represented by formulas (X) and (XI), comprising reacting (In the formulas (X) and (XI), Ac represents an acetyl group, Me represents a methyl group, and Chol represents a cholesterol group.)
【請求項4】式(XIX)で表わされる化合物 (式中、Acはアセチル基を示し、Cholはコレステロール
基を示す)と式(IX)で表わされるシアル酸誘導体 (式中、Acはアセチル基を示し、Meはメチル基を示す)
又は、式(XXI)で表わされるシアル酸誘導体 (式中、Acはアセチル基を示し、Meはメチル基を示す)
とを反応させることを含む、式(XXII)及び(XXIII)
で表わされる化合物の製造方法。 (式(XXII)及び(XXIII)中、Acはアセチル基を示
し、Meはメチル基を示し、Cholはコレステロール基を示
す)
4. A compound represented by the formula (XIX) (Where Ac represents an acetyl group and Chol represents a cholesterol group) and a sialic acid derivative represented by the formula (IX). (In the formula, Ac represents an acetyl group and Me represents a methyl group.)
Or a sialic acid derivative represented by the formula (XXI) (In the formula, Ac represents an acetyl group and Me represents a methyl group.)
(XXII) and (XXIII), including reacting
A method for producing a compound represented by the formula: (In the formulas (XXII) and (XXIII), Ac represents an acetyl group, Me represents a methyl group, and Chol represents a cholesterol group.)
JP1302397A 1989-11-20 1989-11-20 Analogs of sialosyl cholesterol and method for producing the same Expired - Lifetime JP2753353B2 (en)

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